2012 GMC SIERRA-1500 Exhaust

Headers, Shorty, Stainless Steel, Ceramic Coated, Cadillac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair

Part Number: GIB-GP129S-C

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Muffler, Ultra Flo Welded, 3 in. Inlet/3 in. Outlet, Stainless Steel, Each

Part Number: WLK-17233

4.7 out of 5 stars ( 10 )

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Exhaust Clamp, Band, Stainless Steel, Natural, 2.750 in. Pipe Diameter, Each

Part Number: WLK-36522

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Today

Chevy Silverado / GMC Sierra 2007-13 Headers 304SS Performance Connect

Part Number: STW-CT07HCAT

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Muffler, 70 Series Big Block II, Oval, Stainless, 3 in. Center Inlet, 3 in. Offset Outlet, 22 in. Case Length

Part Number: FLO-853072

4.67 out of 5 stars ( 27 )

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Exhaust Tip, Round, Clamp-on, Stainless, Polished, 3.0 in. Inlet i.d., 4.0 in. Outlet, 12 .0 in. Length, Rolled Edge, Single Wall, Each

Part Number: WLK-36474

4.59 out of 5 stars ( 61 )

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Exhaust Manifold Bolts, Steel, Zinc Plated, 8mm x 1.25 Thread Size, Cadillac, Chevy, Chrysler, Jeep, Set of 12

Part Number: RNB-03413

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Today

Exhaust System, Force II, Cat-Back, Stainless Steel, Polished Tips, Chevy, GMC, 5.3L, Kit

Part Number: FLO-817492

4.25 out of 5 stars ( 8 )

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Exhaust System, Cat-back, Stainless, One Muffler, Side Exit, for 143.5 in. Wheelbase, Chevy, GMC, 4.8L, 5.3L

Part Number: WLK-39495

4.24 out of 5 stars ( 25 )

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Muffler, Turbo, 3.00 in. Offset Inlet/3.00 in. Center Outlet, 19 in. Length, Steel, Aluminized, Each

Part Number: IMM-16833CB

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Today

Exhaust System, XP Series, Cat-Back, 409 Stainless Steel, Passenger Side Exit, Natural, Polished Tip, Chevy, GMC, Pickup, Kit

Part Number: MBR-S5054409

4.67 out of 5 stars ( 3 )

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Header Fasteners, Locking Header Bolts, Internal Allen/Hex Head, Stainless Steel, Chevy, Set of 12

Part Number: MRG-2235G

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

Exhaust Manifold Hardware, Exhaust Manifold Mounting Hardware, Stud/Nut Type, Stainless Steel, Natural, Buick, Cadillac, Chevy, Ford, GMC, Set of 6

Part Number: RNB-03133HP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Exhaust Tip, Single, Round, Clamp-on, Stainless, Polished, 2.5 in. Inlet, 3.0 in. Outlet, 12.0 in. Length

Part Number: WLK-36486

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Exhaust System, XP Series, Cat-Back, 409 Stainless Steel, Passenger Side Exit, Natural, Polished Tip, Chevy, GMC, Kit

Part Number: MBR-S5081409

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

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Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Chevy, GMC, Pickup, 4.3L, Pair

Part Number: JBA-1842S-9JS

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 10, 2025 if ordered today

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Header Bolts, Hex Head, 8mm x 1.25 Thread Size, Steel, Black Oxide, 0.984 in. Underhead Length, Chevy, Small Block LS, Set of 12

Part Number: MRG-918G

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

Catalytic Converter, 2009-13 Chevy Avalanche, 2009-13 Chevy GMC Silverado/Sierra 1500 8 cyl., 4.8L and 5.3L Engine, Each

Part Number: CTO-9912

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Muffler, Vortex, 3.000 in. Inlet/3.000 in. Outlet, Steel, Gray Aluminized, Each

Part Number: IMM-88105CB

3.92 out of 5 stars ( 24 )

Estimated Ship Date: Today

Exhaust Clamp, Band Clamp, Stainless Steel, 2.50 in. Pipe Diameter, Each

Part Number: WLK-36438

4.93 out of 5 stars ( 27 )

Estimated Ship Date: Today

Exhaust System, Cat-back, FlowFX, 409 Stainless Steel, Single Exit, Chevrolet, GMC, Kit

Part Number: FLO-717874

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Exhaust Manifold Bolts, Steel, Zinc Plated, Cadillac, Chevy, GMC, Chrysler, Dodge, Isuzu, Jeep, Set of 12

Part Number: RNB-03413B

4.59 out of 5 stars ( 27 )

Estimated Ship Date: Today

Exhaust Manifold Studs, Nuts, Front Flange, Buick, Cadillac, Oldsmobile, Chevy, GMC, Set of 6

Part Number: RNB-03133

3.58 out of 5 stars ( 24 )

Estimated Ship Date: Today

Exhaust Clamp, U-Bolt, Steel, 2.750 in. Diameter, 3/8 in. Thread, Each

Part Number: WLK-35793

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

Headers, Shorty, Steel, Ceramic Coated, Chevy, GMC, Pickup, 4.8, 5.3L, Pair

Part Number: BIG-91843-1FLT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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